A man cheers after smashing the sign through the bike shop window. Police would not say whether arrests were made. The violence followed the conclusion of the Vans U.S. Open of Surfing.

A man cheers after smashing the sign through the bike shop window. Police would not say whether arrests were made. The violence followed the conclusion of the Vans U.S. Open of Surfing. (Allen J. Schaben / Los Angeles Times)